b=input(("Введите скобки"))
s1=''
for a in b:
    if (a=='(' or a=='{' or a=='[' or a=='<') or s1=='':
        s1+=a
    elif s1!='':
            if (a==')' and s1[-1]=='(') or (a=='}' and s1[-1]=='{') or (a==']' and s1[-1]=='[') or (a=='>' and s1[-1]=='<') :
                s1=s1[:-1]
if s1=='':
    print('True')
else:
    print('False')
